Scalp massager



FIG. 1 is a top plan view of a scalp massager showing my new design;

FIG. 2 is a right side elevational view thereof, the left side view being a mirror image;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a scalp massager, as shown and described. 